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A262119 Number of (n+1)X(3+1) 0..2 arrays with each row and column prime, read as a base 3 number with top and left being the most significant digits. 0
23, 83, 2802, 8086, 218493, 716874, 35791690, 142423172 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A262122.
LINKS
EXAMPLE
Some solutions for n=4
..0..2..0..1....0..2..0..1....2..1..1..1....2..1..2..2....0..0..1..2
..0..0..0..2....0..0..0..2....0..1..1..1....2..1..2..2....1..0..0..2
..1..0..1..1....0..0..2..1....0..0..0..2....0..0..0..2....2..2..0..1
..0..1..2..2....1..1..0..1....0..0..1..0....2..0..2..1....0..0..0..2
..2..2..2..1....0..2..1..2....1..1..2..1....1..1..1..2....2..1..2..2
CROSSREFS
Cf. A262122.
Sequence in context: A288340 A316378 A323147 * A104068 A304839 A229449
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 11 2015
STATUS
approved

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)